20943909 is an odd 8-digits composite number following 20943908
and preceding 20943910 . In scientific notation, it is written as 2.0943909 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 11337408 positive integers (up to 20943909) that are relatively prime to 20943909.
20943909 has 24 divisors, whose sum is 36395840
The reverse of 20943909 is 90934902
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million nine hundred forty-three thousand nine hundred nine
Scientific notation
2.0943909 × 10^7
Engineering notation
2.0943909 × 10^6
Prime Factorization
3 × 3 × 19 × 7 × 17497
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6981303
Product of the distinct prime numbers
The prime factorization of 20943909 is 3 × 3 × 19 × 7 × 17497.
Since it has a total of 5 prime factors.
10 , 9 , 68 , 90 , 59 , 573 , 7294 , 6537 , 52653 , 82556 , 175625 , 659262 , 434956 , 4305664 , 54561922 , 67285837 , 437035608 , 688908740 , 4590651857 , 6833759245
n×2
41887818
n×3
62831727
n×4
83775636
n×5
104719545
n÷2
10471954.5
n÷3
6981303
n÷3
5235977.25
n÷5
4188781.8
n2
438647324200281
n3
9.1869896411442E+21
n4
1.9241147502807E+29
n5
4.0298484235436E+36
2 √n
4576.4515729985
3 √n
275.64656239906
4 √n
67.649475777706
5 √n
29.121352979013
1 , 3 , 7 , 9 , 19 , 21 , 57 , 63 , 133 , 171 , 399 , 1197 , 17497 , 52491 , 122479 , 157473 , 332443 , 367437 , 997329 , 1102311 , 2327101 , 2991987 , 6981303 , 20943909
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20943908
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20943909 can be divided by 24 positive divisors.
The sum of these divisors (counting 20943909) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111111001010000100101
3
Ternary
1110102001122100
4
Quaternary
1033321100211
5
Quinary
20330201114
6
Senary
2024522313
8
Octal
117712045
10
Decimal
20943909
12
Duodecimal
7020399
16
Hexadecimal
13f9425
20
Vigesimal
6ahjf9
36
Base36
cgwf9
md5
9c94d6a955a63cb74063ababcede330f
sha1
cbaa1ccb008d8d1ce850fd52649011fabcecef37
sha256
dd7b09935e234c199e919663c6f6714b9d4a9b7146c59c486c6739fbbb9ce39e
sha512
bfe48ed3c6a4ce2aa071ea4e2f9787aed566ab9fdf5b0aa16406fcaeb458c35fe3d13a9df41dce99a52cc70c1358d483f446620b12115dad4a1660eafb1de19d
ripemd-160
c3170b9cdf5119d29e7255f8bd711e0059b75347
Diameter
41887818
Circumference
131594461.30371
Area
1.3780512112244E+15
Volume
3.8482372220299E+22
Surface area
5.5122048448977E+15
Circumference
131594461.30371
Perimeter
83775636
Area
438647324200281
Diagonal
29619160.156908
Surface area
2631883945201686
Volume
9.1869896411442E+21
Space diagonal
36275914.497099
Perimeter
62831727
Area
1.8993986302976E+14
Altitude
18137957.24855
Surface area
1.8993986302976E+14
Volume
1.0826971123239E+21
Height
9873053.385636